Tg health g8_q3

Grade 8 HEALTH EDUCATION QUARTER 3
TEACHING GUIDE No. 3

GRADE 8 STANDARD:
The learner demonstrates understanding of family health, family life, disease and injury
prevention/control as well as prevention of substance use and abuse to develop and promote
family health for quality life.
CONTENT STANDARD:
The learner demonstrates understanding on the
prevention and control of communicable
diseases for the attainment of individual
wellness.
PERFORMANCE STANDARD:
The learner consistently demonstrates personal
responsibility and healthful practices in the
prevention and control of communicable
diseases.
LEARNING COMPETENCIES:
At the end of this lesson, the learners are
expected to
1. discuss the nature, prevention and
control of common communicable
diseases (mortality and morbidity);
2. analyze the common beliefs about the
causes of disease;
3. discuss the factors that influence
disease transmission;
4. explain the different elements of the
chain of infection;
5. discuss the stages of infection;
6. Discuss skin problems: its nature,
prevention and control;
 Acne
 Warts
 Tinea (ringworm, jock, itch,
athlete’s foot)
7. Recommends actions to prevent and
control the spread of communicable
diseases.
8. Demonstrate healthful practices in
order to prevent and control
communicable diseases.
9. Demonstrate self-monitoring skills to
prevent and control communicable
diseases during adolescence.

ASSESSMENT PLAN
PRODUCT/PERFORMANCE
TASK:
The learners share responsibility
and consistently demonstrate
healthful practices in the
prevention and control of
communicable diseases to family
members, schoolmates and
community.
Use formative and
summative assessment tools to
assess the competencies:
1. Discuss the nature,
common communicable
diseases (mortality and
morbidity).
2. Analyze the common
beliefs about the causes
of disease.
3. Discuss the factors that
influence disease
transmission.
4. Explain the different
elements of the chain of
infection.
5. Discuss the stages of
infection.
6. Discuss adolescent
skin diseases problems
its nature, prevention
and control; Acne, Warts,
Tinea (ringworm, jock, itch,
athlete’s foot)
7. Recommend actions to
prevent and control the
spread of communicable
diseases.
8. demonstrate healthful
practices in order to
prevent and control
communicable diseases
9. demonstrate self-
monitoring skills to
prevent and control
communicable diseases
during adolescence.
Assess the performance
task using the following
criteria:
Values-based
Consistency
Accuracy
Appropriateness

INTRODUCTION
Disease prevention and control is a very important health concern because it affects the
quality of people’s life. Communicable disease not only threatens the sick person but also his/her
family and the society in general. Thus, protecting ourselves and our families from diseases is
both a personal and social responsibility.
This material will introduce you to the nature of communicable diseases and it’s
prevention and management. You will discover that the spread of communicable diseases to the
environment will threaten the populace so each one must understand how to prevent the spread
and learn how to manage it.
There’s a very popular saying “Prevention is better than cure.” As you go along, you will
notice that the diseases you are experiencing or encountering can be prevented if you only know
how to control it. Accordingly, if you lack self-discipline, then prevention and control of diseases
will be difficult to attain.
One thing is sure after learning from this material, you will be challenged to become a
catalyst for the control and prevention of communicable diseases. Start with your self, family,
neighbor, community including your school then extend it to the nation. You just need to
consistently demonstrate personal responsibility and healthful practices in order to prevent and
control communicable diseases.
Our target is to let this knowledge be seen in your actions, words, and way of life. This
is the best legacy you can contribute not only to you and your family but to the whole nation.
Lastly, I hope that you will enjoy going through this material.

OBJECTIVES
At the end of the lesson, the learners are expected to
 discuss the nature, prevention and control of common communicable diseases
(mortality and morbidity);
 analyze the common beliefs about the causes diseases;
 discuss the factors that influence disease transmission;
 explain the different elements of the chain of infection;
 discuss the stages of infection;
 discuss adolescents skin diseases problems, nature, prevention and control as in
 Acne
 Warts
 Tinea (ringworm, jock, itch, athlete’s foot);
 recommend actions to prevent and control the spread of communicable diseases;
 demonstrate self-monitoring skills to prevent and control communicable diseases
during adolescence;
 demonstrate healthful practices in order to prevent and control communicable
diseases;

PRE-ASSESSMENT
The learners will answer the pre-assessment found in their learning materials activities 1,
2, 3; pages 4-8. Give them time limit and ask them to write all their answers in their
journal/notebook.
Activity 1 is a teacher-guided activity. The teacher will assist and help the students to
answer the activity by giving them clarifications, clues or explanations when needed.
Activity 2 is to be answered by the students alone. There will be no help from others.
And Activity 3 will be a group activity.
Activity 1: How well do you know the nature of diseases?
The learners will read very carefully each statement about the nature of communicable
diseases. Assist them as they react to its truth or falsity as they put a check (√) mark on the
appropriate box.
STATEMENT TRUE FALSE
1 Organisms like bacteria and viruses are all over the
environment.
√
2 Many of the most common diseases are caused by tiny
microorganisms called pathogens.
√
3 Communicable diseases come from one infected person to
another.
√
4 Stomach ache is one symptom that can be manifested by a
communicable disease.
√
5 Viral hepatitis is caused by a virus that affects the liver.
√
6 Rabies virus can enter only the brain cells while polio virus
attacks only the nervous system.
√
7 Malaria is a sickness caused by a carrier mosquito.
√
8 Pinworms hatch and live primarily in the intestines of a
person.
√
9 Stagnant water is a reservoir for mosquitos to multiply.
√
10 It is the nature of pathogens to invade its host through certain
points of entry to cause morbidity.
√

SCORE COMMENT INDICATIONS
10 TRUE They are
Advanced
They really know, understand, and practice the prevention of getting
infected.
7-9
TRUE
Very Good They need to review someone so that you will know, understand and
practice the prevention of getting infected.
4-6
TRUE
Good They are prone to get infected easily.
1-3
TRUE
Poor They have to do something because you are in danger of getting sick
easily.
Congratulations!
Since they did well in this activity, are they now excited to find out what’s in store for
them in the next level?
Activity 2: SELF – INVENTORY
A. How do I rate…..?
The students will number their activity notebook from 1 to 20. Read the questions and respond
by writing
M if the statement describes them most of the time,
S if the statement describes them some of the time and
N if the statement never applies to them.
The students will do this without any assistance from you or from anybody.
Total the number of each type of the response.
Proceed to the next section, the How Did You Score each section.
QUESTIONS M S N QUESTIONS M S N
1 I keep my immunization
records up-to-date.
11 I listen and respond to my body that it is
tired or that something may be wrong.
2 I stay away from people who
currently have cold or flu.
12 I wash my hands before and after every
meal, before preparing food, and after
using the toilet.
3 I eat a balanced diet daily. 13 I shower or bathe regularly.
4 I get at least eight hours of
sleep each night.
14 I do not share eating utensils or glasses
with other people
5 I exercise aerobically at least
three times a week.
15 I cover my mouth when I cough or
sneeze.
6 I do not smoke. 16 I avoid walking around without footwear.
7 I avoid using towels that others
have used.
17 I avoid eating dairy & poultry products
that are not refrigerated.
8 I avoid using other people’s
combs and brushes.
18 I advise my parents to make sure that our
pets have their vaccines too.
9 I take a few minutes each day to
relax.
19 I put food waste in closed containers.

10 I stay at home within the first
day when symptoms of an
illness appear.
20 I support efforts of the government to
enforce public health laws for
immunization and reporting
Total for Most of the time Total for Most of the time
Total for Some of the time Total for Some of the time
Total for Never applies Total for Never applies
B. How did they score?
Give the learners 4 points for each most of the time;
2 points for each some of the time;
O points for each never answer.
Get their total and read the result of their score below:
60 to 80 = Excellent! Their disease prevention efforts are outstanding.
Congratulations!
40 to 59 = Good. They are doing very well in their efforts to prevent
20 to 39 = Fair! Disease prevention is not important to them. Some efforts will be
beneficial to them and to others.
Below 20 = Needs Improvement! Be careful. They may be spreading
communicable diseases to others. Tell them now is a good time
to start taking good care of themselves.
C. Invite the learners to do, “What are your goals?”
If they received an excellent score (60 to 80), they will complete the statements in part A only,
but if they scored fair (20 to 39), then they will complete parts A and B.
Part A.
1. I plan to learn more about disease
prevention by_______.
2. My timetable for accomplishing this is
________________.
3. I plan to share my information with other
people by
_________________________________.
Part B
4. My behavior I am most likely to
change is _________________.
5. The steps involved in making
these change are ____________.
6. The people or groups I will ask for
support and assistance are
____________________________.
7. My rewards for making this
change will be _______________.

Activity 3: Looks Familiar?
Group the learner into five, each group will look closely on the pictures illustrating
different kinds communicable diseases. Make them choose their answer from the choices given.
Have them reflect on what the causes of each communicable disease then plot their ideas on the
appropriate box.
Picture of
COMMUNICABLE
diseases
Write on the first row the name of the disease (look at
the choices below)
Write on the second row the causes of the disease.
1
WART
Caused by VIRUS
2 RINGWORM
Caused by FUNGUS
3 ACNE
Caused by BACTERIA
4 ATHLETE’S FOOT
Caused by FUNGUS
5 JOCK’S ITCH
Caused by FUNGUS
6 MALARIA
Bites from malaria-carrier mosquito
7 DENGUE
Bites from dengue carrier mosquito

8 TUBERCULOSIS
Caused by BACTERIA
9 INFLUENZA
Caused by VIRUS in the respiratory
10
Fig.1
PNEUMONIA
Caused by VIRUS in the lung
Choices: ACNE ATHLETE’S FOOT DENGUE
INFLUENZA JOCK ITCH MALARIA
PNEUMONIA RINGWORM TUBERCULOCIS
WARTS
Encourage the learners to do the assessment by answering the following questions.
ASSESSMENT: How far do you know these skin diseases?
IF……. YOU’RE……. THEN………..
If you answered all
correct ADVANCED
You are ready to discuss the nature, causes and
prevention of these diseases.
CONGRATULATIONS! You know very well.
If you got 4 PROFICIENT You just need to read more about communicable
diseases. You know well.
If you got 3 APPROACHING
PROFICIENCY
You must exert effort to learn more about these
diseases. You have basic knowledge of it.
If you got 2 and
below DEVELOPING
You need to exert effort to learn more about these
Together with your students, analyze the results of your pre-assessment to
determine where they are in terms of background knowledge and skills; their strengths
and weaknesses as your bases for planning instructional activities.

LEARNING GOALS AND TARGETS
Based on the objectives of the lesson and results of the pre-assessment, let your students
define their personal goals and targets to achieve at the end of this lesson. Ask them to write
their goals/targets in their journal/notebook.
Make sure that all your students are able to define their own goals and targets. Tell them
to monitor the progress of their targets as you go on with the lesson.
Instruct the learners to write their expected goals and targets in their journal. Inform them that
their journal will be given attention at the end of the lesson.
The following are the things I will do to demonstrate
prevention and control of communicable diseases for
the attainment of my wellness.
Date_____________
_______________________________________
_______________________________________
_______________________________________.
I will demonstrate understanding
on the prevention and control of
communicable diseases for the
attainment of my wellness.

Write down the steps you
will do DAILY to
consistently demonstrate
personal responsibility and
healthful practices to
prevent and control
_____________
_____________
_____________
_____________
_____________
Please refer to page ___
entitled my personal daily
journal.
_____________
_____________
_____________
_____________
_____________
I have to set my goals and targets
on how I can consistently
demonstrate personal responsibility
and healthful practices for the

In this part of the learning material, the learners are provided with structured
learning experiences that will assesses their prior knowledge, clarify their understanding,
and require them to answer some focus questions about human sexuality.
REMINDER: Accept all answers of your students. However, take note of those areas that you
need to clarify details. Make sure that the learners fully understand how they are assessed so that
they can clearly set their expectations such as performing well in the activities especially at the
end of the grading period.
Activity 1: Read, Analyze, and React.
One summer, my family went to Ilocos for our yearly summer vacation. One night my
daughter had a fever and what I did was to let her have medicine to lower the fever. In the
morning, I saw that rashes have appeared on her arms so I suspected measles. I had her occupy
another room where she was alone to prevent cross-infections.
After breakfast, my late mother-in-law brought my daughter out at the backyard and
started scattering some rice while talking indistinctively. She got some soil near a tree where my
daughter played and rubs it on my daughter’s arms, face, and feet. She said that she did that
because my daughter might have disturbed some spirits in the back yard when she played there.
Judith Langbayan-Javier
Have them react on what they read.
Help them analyze the questions and assist them by reading the questions aloud. Let them raise
their hands if they need assistance.
1. Are the rashes a result of some disturbed spirit? ( ) yes ( √ ) no
2. Can playing at the back yard harm some spirits? ( ) yes ( √ ) no
3. Will scattering some rice around help heal the rashes? ( ) yes ( √ ) no
4. Does rubbing the soil in the arms, face, & feet ( ) yes ( √ ) no
heals the rashes?
Encourage the learners to evaluate their answers using the following description:
If you got 4 correct answers, then you really know the truth about some false
beliefs and practices.
If you got 3 correct answers, then you are not sure of the some false beliefs and
practices.
If you got 2 correct answers, then you need to take focus, listen and learn.
If you got 1 correct answer, then you are in danger, you practice a lot of false

5. What can you say about the story?
6. Do you agree with the belief of the mother-in-law? Why or why not?
7. If you were the mother-in-law, what should you do?
8. Have you heard of a similar story?
Share your answer to the class.
Have the learners do the CRITICAL THINKING
Make them answer the following questions.
-If you were to give some questions about the readings, what will these be?
Tell them use their own words.
Activity 2: Did you know?
Dear Naomi,
I received your text message about the Factors that Influence Disease
Transmission. Anyway, thank you for this opportunity to share to you what I
learned in my medical training.
As far as I can remember, the following are factors that influence disease
transmission. 1) Environmental Factors. Sanitation and sanitation facilities
can affect the transmission of diseases where food and water can become
contaminated because of poor sanitation. Pollution also plays a major role in
disease transmission as evidenced by floods during the rainy season. These
floods were the culprits in the spread of Leptospirosis.
Climate also takes its role as an environmental factor. In our country we only have the
dry and wet seasons where various microorganisms that can cause morbidity
can thrive on each of these seasons. 2) Socio-economic Factors. Cultural
practices influence disease transmission. For instance, there are some places in
the Cordilleras where people drink wine after a tiring day of planting and when
they drink they use one glass to show unity. I also experience one practice among
the Ilocanos, in a barrio where I had my medical practice, that all the members of
the family are to wash their hands in one basin of water before they eat.
Living arrangements in some cultures where people tend to live near their
livestock without knowing that these can be sources of diseases. Prostitution due
to economic factors where the poor tend to engage themselves into this activity is
one avenue for the transmission of communicable diseases as well.
There are other factors, but for now these are the things I can share you. I
encourage you to read books that can give you more information.
Have a nice day,
Calvin Paul

Invite the learners to do the following:
1. Do this activity as a group. Row one will be group 1, row two will be group 2, and
row three will be group 3.
2. Copy the format below in your activity notebook. Based from what you read, read the
questions you see beside the shapes and fill in the shapes with your answers. The
first group to finish will write their answer on the board.
Factors that Influence Disease
Transmission
What is the title?
ENVIRONMENTAL FACTOR What are SOCIO-ECONOMIC FACTOR
the factors?
Sanitation & Climate Cultural Prostitution
Sanitation Facilities Practices
Living
Pollution Arrangement others
What are the things that affect the factors?

Ask the learners to evaluate their answer.
If your group got 9 correct answers, then your group is in the advanced level.
If your group got 7-8 correct answers, then your group is in the proficient level.
If your group got 5-6 correct answers, the your group is in the approaching
proficiency level.
If your group got 3-4 correct answers, then your group is in the developing level.
If your group got 1-2 correct answers, then your group is in the beginner’s level.
Make them put a (√) mark check before the statement if they have knowledge about it, an X
mark before the statement that you have just learned, and put a ? mark on the statement that
they want to know more about.
______A communicable disease is an illness transmitted through contact with
microorganisms.
______People, animals, food, surfaces, and air can all be carriers of the
microorganisms that pass infectious illnesses from one host to the next.
______The exchange of fluids or contact with a contaminated substance or individual
may be enough to allow the spread of communicable disease.
Have them focus on the statement that they want to know more about because the following
activities will be dealing more on the things they need to learn which are the nature, prevention
and control of communicable diseases.
Encourage to do the Activity 3: Germs, germs now has wandered
Dear students,
Hello! Let’s do some activities that will help you discover the importance of protecting
yourself from the different threats to your health. As you do this activity, you will explain the
different elements of the chain of infection. So I will group you into male and female group. The
male will form a circle likewise with the female. Select a leader who will hold the colored ball
(ball is painted with washable paint). The leader will sing the song first to be followed by the
group while the ball is passed around. Select an “it” who will be looking for the ball when it will
be passed around. While singing the song (germs, germs now has wandered…in the tune of
“dollar, dollar now has wandered) the leader will pass the ball to her/his right. The “it” will start
to look for the ball. If she/he finds/points at the person holding it then that person becomes the
“it”, but if not, then he/she remains the “it”.
Keep singing until all of you hold the ball or have paints on your hands.Try to analyze the
lyrics/wordings of the song.
Germs, germs now has wandered
From one hand to one another
It is here, it is here to get anybody standing there.

Allow them to start singing and pass the ball, the”it” will stay at the center of the circle
and go around looking for the ball. The passing of the ball stops when everyone has paint on
her/his hand.
Activity 4 – Share and Care
Encourage the learners to answer the following questions:
A) What did you understand about the lyrics of the song?
B) How do you relate the lyrics of the song to your daily experiences?
Flash Figure 1 on the board and let them fill up each space with appropriate descriptions.
Make them use the questions as their guide.
In the context of disease transmission, what does the following represent?
A. ball
B. leader
C. act of passing the ball
D. student having paints on their hands
E. How would you name the activity?
B. SOURCE OF GERM
A. GERM C. TRANSMISSION OF DISEASE
E. HOW DISEASE INFECTS D. INFECTED
Figure 1
Instruct the learners to have self-evaluation through this activity.

HOW DID I SCORE IN THIS ACTIVITY?
Score Basis for the points/score
4 - 5 If you got this score, it means that you know the concept on how a person gets infected
by a communicable disease. Congratulations!
2-3 If you got this score then it shows that you have to focus and know the ways on how a
person gets infected by a communicable disease.
0-1 If you got this score, it means that you hardly know how a person gets infected by a
communicable disease so you need to strive harder.
Congratulations dear student! You are now ready to do the next level.
Encourage the learners to read this very interesting story. This story will help them remember
their Under Six experiences and this will help them answer the next activity.
One rainy day, Christine Joy was fixing some old boxes in the store room. She found a
small booklet with graphs and remarks. She asked her mom some explanations.
Her mother explained how CJ had her doses/shots of anti-measles, anti-polio, anti-
malaria, anti-TB and many more. Her mom brings her to Under Six Clinic for monthly check-
ups and to take her vaccines. Her check-ups include taking her weight and height, checking her
ears, mouth, and eyes to know if they are not infected.
According to her doctor, proper hygiene is one way to prevent getting infected. Her mom
said that having sunshine everyday and walking around the yard is one of the most enjoyable
activities CJ did because she wasn’t only walking but running after her brother.
Now, how about you? What is your story?
Ask the learners to do this Activity 5: What do you know?
In their activity notebook, make them draw their palm and fingers. Have them recall the
healthful things their parents have done to them since they were a baby up to the present in order
to prevent them from getting sick.
Make them write each one on each finger in three minutes. Give them one minute each to
share their work to the class.
After sharing your work with the class, take note of the focal point they have had. Then
have them list down the common and vital practices that their parents have done to them.

FIGURE 1
If in the sharing, the following words are mentioned, list them down and find out how
they will be explored in the following activities.
Immunity, vaccines, personal hygiene, physical fitness, and or biofeedback.
Did you know ?
There are three levels
of preventing diseases:
primary, secondary, and
tertiary. In primary
prevention, activities
are done to prevent one
from having the
disease. This includes
getting immunized,
eating a healthy diet,
and getting enough
sleep. The secondary
prevention activities are
done to prevent further
damages when the
disease has already
started. This includes
prompt diagnosis and
treatment. For the
tertiary prevention, the
focus is on
rehabilitating the sick
person so as to prevent
long-term
complications of the
disease.
Fill in each blank with appropriate entry/word. Then, follow these
guidelines to reduce the spread of infections.
 Bath everyday to keep your skin, hair, and nails clean.
 Avoid sharing personal or drinking utensils.
 Store & prepare food in a safe way to prevent food
contamination.
 Wash your hands after using the toilet and wash your hands
before and after eating.
 If you are sick, avoid sharing your sickness to others. Cover
your mouth when coughing.
 There are three other ways to protect yourself from
communicable diseases. You can become sick by having the
disease. You can be immunized by injection. If a vaccine is
available, then you can practice biofeed back.
 There are three levels of prevention.
1) The Primary level is used before the person gets the
disease.
2) The Secondary level is used after the disease has
occurred, but before the person notices that anything is
wrong.
3)The Tertiary level targets the
person who already has symptoms of the disease;
to lessen the damage and pain from the
disease, to slow down the disease, prevent It from
causing complications, give the best care and to
make the sick healthy again.

EVALUATE YOUR ANSWER:
If you got 13 correct answers, it means that you are very much concern and helps reduce the
spread of infections.
If you got 11-12 correct answers, it means that you are much concern and helps reduce the
spread of infections.
If you got 6 – 10 correct answers, it means that you are concern in the reduction of the spread of
infections.
If you got 1-5 correct answers, it means that you are in danger of getting infected.
Make the learners do this Activity 6: Know what you see.
Invite them to look at the figure (power point) and write in their notebook what they
should do and what they should not be doing if they are the one in the picture. Let them copy
figure 2 on their notebook and write their answers on the column provided.
Have them look at the choices below and write the appropriate answer on the column.
WHAT I SHOULD DO WHAT I SHOULD NOT BE DOING
Drink using my own bottle/glass
1
I should NOT drink from someone’s
bottle/glass.
Use my own hair comb/brush
2
I should NOT use someone’s hair
comb/brush.
Use my own towel
3
I should NOT use other’s towel.
Use a clean sock everyday
4
I should NOT use other’s sock.
Wash my hands with clean water
and soap before and after I use it
(hands)
5
I should NOT be lazy to wash my hands
before and after using it (hands).
Fig.2

CHOICES:
1. Drink water all the time. I use my own
bottle/glass in drinking.
2. Use the comb properly.
3. Use my own towel.
4. Use clean socks and change it everyday.
5. Wash hands with soap and water.
1. Drink from somebody’s bottle/glass.
2. Use my comb alone and won’t share it
with others.
3. Not to share my towel or use others’ towel.
4. Share my socks to others or use others’
socks.
5. Be lazy in washing my hands before and
after using them.
Have the learners do this
Activity 7: Act what you
know
Group them into five. Each group is composed of 10
members. Make them do the following:
Each group will draw from the box the type of
pathogens their group will represent. Read the lesson
about your drawing and discuss on how you will
present to class the lesson.
1. Here are some suggested ways you can use to present
the lesson.
A. News casting
B. Skit
C. Classroom setting
D. Debate
E. Barangay Meeting
F. acrostic
2. The lesson talks about the types of Pathogen which
are
a. Bacteria;
Toxins Bacteria,
Resident Bacteria,
b. Virus;
c. Rickettsias;
d. Fungi;
e. Protozoan;
f. Parasitic worm.
3. Make sure everyone understand the lesson and each
uses his/her own words to explain and discuss it.
4. Each group is given 20 minutes to
prepare their group for presentation
5. After 20 minutes, the leader from each group will
draw who will present first.
7. The following criteria will be the basis for scoring:

Clear explanation of the lesson – 50%
Presentation of the lesson is creative
using the suggested means without
help from others – 25%
Group participation (all the members
actively participated) – 25%
Total--------------------------------------------100%
TYPES OF
PATHOGENS
NATURE
PATHOGEN
Many of the most common diseases are caused by tiny microorganisms
called PATHOGEN. Pathogen infects, or invades the body and attacks its
cells and tissues. Some bacteria, rickettsias, fungi, protozoans, certain types
of worms, and all viruses are pathogens. Diseases caused by the direct or
indirect spread of pathogens from one person to another are called
BACTERIA
I read that BACTERIA are one-celled microscopic organisms that rank
among the most widespread of living things. Some are small that a single
grain of soil may contain over 100 million of them. Most bacteria do not
cause disease. In order to live, all bacteria must have a food supply, as well
as suitable temperature, moisture and darkness. Some bacteria digest
nonliving food materials such as milk and meat. These organisms are called
saprophytes. If the food supply is a living plant or animal, the microorganism
is called a parasite. The plant or animal that the parasite feeds on is called a
host.
TOXIN
BACTERIA
Toxin Bacteria produces a certain poison. Botulism is a food poison. These
bacterial live in the soil. Once they enter the body through a wound, they can
cause tetanus or lockjaw. Other bacteria cause pneumonia.
RESIDENT
BACTERIA
It lives in the human mouth and intestines and on our skin. These help
protect us from harmful bacteria. Lactobacili, found in the gastro-
intestinal tract, produce lactic acid from simple carbohydrate. Coliform
bacilli, found in the intestines, help break down carbohydrates and combat
disease-causing bacteria. Resident bacteria cause infection when it moves
from where residents are. Example, a bacteria in the mouth is moved to the
ear then you get an infected ear.
RICKETTSIAS
These are organisms that are considered intermediate, that is, somewhere
between a virus and a bacterium. Most of them grow in the intestinal tracts of
insects, which carry them to their human hosts. Rickettsia requires living
cells in order to grow and multiply. Blood sucking insects, such as lice,

mites, and ticks carry rickettsias to humans. Typhus fever And Rocky
Mountain spotted fever are diseases caused by these organisms.
VIRUS
are small, simple life-like forms from one half to 100 the size of a bacteria.
These organisms are the human body’s worst enemies. All virus are
parasites. There are virus that invades animals and virus that attack specific
types of cells .Example, rabies virus can enter only brain cells, polio virus
attacks only the nervous system. Cold virus enters the respiratory system.
Viral hepatitis is caused by virus that affects the liver. Mumps and
mononucleosis are caused by viruses that infect glandular tissues. Smallpox,
chicken pox, shingles and warts are infections caused by viruses that attack
the skin tissues. When virus enters the body, it attaches itself to a cell and
releases its nucleic acid into the host cell.
FUNGI
These are simple organisms that cannot make their own food. Many lives on
dead animals, insect, and leaves. Fungi are therefore saprophytes. They
prefer dark, damp environments. Two of the most common fungi are yeast
and mushrooms. ,Disease-producing fungi invade mainly deep tissues of the
hair, nails and skin. Fungi cause infections of the scalp, such as ring worm,
and of the feet, such as athlete’s foot. Pathogenic fungi can also cause brain
inflammation and serious lung infections.
PROTOZOANS
are single-celled organisms that are larger than bacteria and have a more
complex cellular structure. Most of these are harmless and they are most
common in tropical areas that have poor sanitation. They cause malaria,
African sleeping sickness and amoebic dysentery, a severe intestinal
infection.
PARASITIC WORM
A worm classified as a parasite. (A parasite is a disease-causing
organism that lives on or in a human or another animal and
derives its nourishment from its host.) Lice are examples of
parasites that live on humans; bacteria and viruses are examples
of parasites that live either on humans or in humans; parasitic
worms (also called helminths) live in humans. Helminth eggs
contaminate food, water, air, feces, pets and wild animals, and
objects such as toilet seats and door handles. The eggs enter the
body of a human through the mouth, the nose, and the anus. Once
inside the body, helminth eggs usually lodge in the intestine,
hatch, grow and multiply. They can sometimes infest other body
sites. The word "helminth" is derived from the Greek "helmins"
(worm). Helminthology is the study of parasitic worms.Common
helminths and the problems they cause include the following:
 Roundworm: Roundworms hatch and live in the
intestines.

The eggs usually enter the body through contaminated water or
food or on fingers placed in the mouth after the hands have
touched a contaminated object. Symptoms of their presence
include fatigue,weight loss, irritability, poor appetite, abdominal
pain and diarrhea. Treatment with medication results in a cure of
about a week. Without treatment, anemia and malnutrition can
develop.
 Pinworm: Also called seatworms and threadworms,
pinworms hatch and live primarily in the intestines. The eggs
usually enter the body through the anus, through the nose or
mouth via inhaled air, or through the mouth on fingers that
have touched a contaminated object. Symptoms of their
presence include anal itching and sometimes pale skin and
stomach discomfort. If pinworms enter the vagina in females,
discharge and itching may develop. Pinworms do not cause
serious complications. Treatment with medication results in a
cure within days.
 Trichina spiralis: This worm lives in the intestines and
causes a serious illness known as trichinosis. The eggs
usually enter the body via raw or undercooked pork, sausage
or bear meat. In the intestines, the eggs hatch, mature, and
migrate to other parts of the body through the bloodstream
and the lymphatic system. Early symptoms include vomiting,
diarrhea, and abdominal cramps. In time, a high fever,
puffiness of the face and muscle pain develop. Eventually,
the worms can penetrate the muscles, the heart, and the brain
and can cause death. Treatment with an anti-worm drug such
as thiabendazole, as well as bed rest and a physician's care,
can cure trichinosis. Recovery may take several months.
Diagnosis of trichinosis sometimes requires analysis of a
tissue sample (biopsy) taken from muscle
 Tapeworm: Tapeworms live in the intestines. The eggs
usually enter the body via raw or uncooked beef. Symptoms
of their presence are usually absent. However, some patients
experience abdominal pain, fatigue, weight loss, and
diarrhea. Treatment with medication results in a cure within
days.
 Fluke: Flukes live in different locations in the body,
including the intestines, bladder, rectum, liver, spleen, lungs,

and veins. Flukes first mature inside freshwater snails. After
leaving the snails, they can enter the body of humans by
penetrating the skin of persons swimming, bathing, or
washing in water where flukes are active. Infected persons
can re-contaminate the water by urinating or defecating in it.
Most infected persons experience no symptoms. However,
some infected persons may experience rash, itching, muscle
aches, coughing, chills and fever. Flukes pass out of the
body, but persons can become infected again and again. In
time, the repeated infections can damage the liver, bladder,
intestines and lungs. In rare cases, flukes can invade the
spinal cord or brain and cause seizures and paralysis. Fluke-
caused illnesses are classified as schistosomiasis (also called
bilharziasis) and are mainly confined to Africa, parts of
South America and the Caribbean, and parts of the Middle
East, China, and the Philippines.
Prevention of helminth diseases usually requires frequent washing
of hands, frequent cleaning of bathrooms and kitchens, and
thorough cooking of the food they infest -- mainly beef, pork,
sausage, and bear meat. Water supplies should be chlorinated, if
possible.
ASSESSMENT FOR KNOWLEDGE
SCORE REMARK INDICATOR
90-100 You belong to the
Advanced group
You have very clear knowledge about the lesson because you
explained the lesson with confidence using the means of
presentation creatively with out any help from others. The
whole member of the group actively participated and the
class attentively enjoyed your presentation.
81- 89 You belong to the
Proficient group
You have clear knowledge about the lesson because you
explained the lesson using a creative presentation without
any help from others. The whole member of the group
participated and the class enjoyed your presentation.
70 - 80 You belong to the
Approaching
Proficiency group
You have clear knowledge about the lesson because you
explained the lesson using the means of presentation with a
little help from others. The whole member of the group
participated and the class watch your presentation.
50- 69 You belong to the
You have vague knowledge about the lesson because you
explained the lesson using the means of presentation with

Developing group much help from others. The whole class will watch your
presentation.
49 and
below
You belong to the
Beginning group
You hardly know the lesson because you hardly explain the
lesson using the means of presentation and with much help
from the teacher. The whole class watched your presentation.
Congratulations dear students! You are now ready to do the next level.

In this part of the learning material, the learners are provided with various learning
experiences to enable them to make sense of the information, develop, reflect, rethink, validate,
and revise their understandings of the lesson.
Encourage the learners to do this
Activity 1: MATCH and CONNECT
Give them the pap sheet about the chain of infection. Instruct them to carefully read each
numbered entry and choose from the word pool the appropriate term being described. Help them
do the following:
1. A volunteer from each row will read aloud the definitions very well, then write the word of the
first in the link chain.
2. Another member of the row will explain in her/his own words the meaning of the chain.
3. The other rows will do the same until the link chain is discussed.
CHAIN MEANING/DEFINITION
1. Pathogen
is an organism with the ability to cause diseases. The greater the
organism's virulence (ability to grow and multiply), invasiveness (ability to
enter tissues) and pathogenicity (ability to cause diseases), the greater the
possibility that the organism will cause an infection. Infectious agents are
bacteria, virus, fungi, protozoa and parasitic worms.
2. Reservoir
is a place within which microorganisms can thrive and reproduce. For
example, microorganisms thrive in human beings, animals, and inanimate
objects such as water, table tops, and doorknobs. The most common
reservoir is the human body.
3. Mode of
Transmission
provides a way for a microorganism to leave the reservoir. For example,
the microorganism may leave the reservoir through the nose or mouth
when someone sneezes or coughs. Microorganisms, carried away from the
body by feces, may also leave the reservoir through an infected bowel.

4. Portal of
exit
the mode of transmission is the method by which the organism moves from
one host to another. The mode of transmission are contact, droplet, air-
borne, food-borne/water-borne, Vector-borne (usually insect)
5. Portal of
entry
an opening allowing the microorganism to enter the host. This includes
body orifices, mucus membranes, or breaks in the skin. Tubes placed in
body cavities, such as urinary catheters, or from punctures produced by
invasive procedures such as intravenous fluid replacement can also serve
as portal of entry.
6. Susceptible
Host
a person who cannot resist a microorganism invading the body lack due to
immunity of physical resistance to overcome the invasion by the
pathogenic microorganism.
Word Pool:
MODE OF TRANSMISSION PORTAL OF EXIT RESERVOIR
PATHOGEN PORTAL OF ENTRY SUSCEPTIBLE HOST

Get clues from the guide questions below.
Explain the chain of infection to the class.
Guide Questions:
1. What types of pathogens has the ability to cause diseases?
2. What is the place within which microorganisms can thrive and reproduced?
3. Where is the reservoir of the microorganisms?
4. How did the microorganisms transfer to John?
5. Where did the microorganisms enter John?
6. Who is this next host?
Individually copy figure 2 on
your activity notebook and put
the different chain of
infections based on the story
below. Remember that the
elements in the chain are
sequentially arranged.
Peter joined the school fun
run, his desire is to win so he
didn't mind if he was stepping
on water wherein his feet was
soaked. Even if this feels
uncomfortable because his feet
were very itchy, he only
removed his socks that evening
that’s why it was very smelly.
He hanged it at the
back of the refrigerator to dry
and immediately went to sleep
because he was so tired.
Early that morning, his brother
John saw that sock hanged at
the back of the refrigerator and
used it thinking that it was
clean.
ANSWER
FUNGUS
R
1 E
ONE S
WHO E
USES 6 R
SOCKS 2 V
O
I
R
Chain of
infection
F 3 K
E 5 C
E O
T 4 S
Through the SOCK
Fig.2

Present the following prompts to the learners, and make them evaluate how they fare in the
activity.
LET
US
SEE
HOW
YOU
SCORED
If you answered all correctly then you are skillful in analyzing the definitions
and can write the sequence of the chain of infection correctly. Therefore,
you are considered an Advanced Student.
If you got 7-9 correct answers then you have some skills in analyzing the
definitions and in writing the sequence of the chain of infection correctly.
So this makes you a Proficient Student.
If your score is 4-6, then you need more skills in analyzing the definitions
and in writing the sequence of the chain of infection correctly. You are
Approaching Proficiency.
But if you scored 1-3, then you really need some more skills in analyzing
the definitions and in writing the sequence of the chain of infection
correctly. You are still Developing.
The danger is if you got zero then you are just beginning to learn skills in and
Analyzing the subject.
Encourage the learners to do this
Activity 2: Fill my lacking correctly where they will do the following:
Each group will read the “chain letter” and fill-in the blanks with the correct word
. Start to answer when you hear the bell and stop when you hear the word “time is up.”
All groups will submit their papers after 5 minutes of answering. Exchange papers and
check the answers as the class goes over the letter.
The teacher will clarify misconceptions as the need arises.
“THE CHAIN LETTER”
(1) PATHOGEN is a disease-causing organism which includes bacteria, virus,
parasitic worm, protozoa, and fungi and lives in the ( 2 ) RESERVOIR which can be a
living or non-living object. In order to be transmitted, the pathogen leaves the reservoir
through the (3) PORTAL of EXIT. Examples include the mouth, nose, anus, and other
special body openings. The pathogen is then passed through a direct or indirect (4)
MODE of TRANSMISSION from one host to the next host. It is transmitted through a
living vector like a mosquito or flea. Some diseases like malaria have complicated life
cycles involving more than one species. Some are transmitted by respiratory droplets,
while others are through blood contact, semen or other secretions. Hand-to-mouth is a
common mode for gastrointestinal pathogens. The organism enters the body through the
(5) PORTAL of ENTRY. such as the nose, skin, or mouth. The portal of entry determines
the type of personal protective equipment (PPE) to use to keep health care workers,
family and visitors safe in the hospital. The ( 6) SUSCEPTIBLE HOST is a person with
low immunity to disease. This includes the very old, and the immune suppressed (due to
genetics, transplant drugs, malnutrition, or viral infection like HIV).
-Michelle Ziegler, Contagions,wordpress.com

Make them evaluate their answer through using the following guide:
SCORE REMARKS COMMENT!
6 An Advanced
Student
You were able to process very well the elements of the chain of
infection. Congratulations!
5 A Proficient
Student
You were able to process well the elements of the chain of
infection
3-4 Approaching
Proficiency
Student
You found it hard to process the basic knowledge of the chain of
infection.
0-2 A Developing
Student
You still need to double your effort in processing the chain of
infection.
Have them do this Activity 3: Read this!
Hello my dear student,
Here are some additional preventive measures for diseases according to
different modes of transmissions. In addition to your general hygiene practices,
vaccination and standard precautions, specific preventive measures should be adopted
when dealing with diseases with various modes of transmission. In order for you to
avoid the spread of infections, if you are sick, you should avoid going to school or
going outdoors. The suitable time for you to return to school depends on your health
conditions.
Copy the following chart on your activity notebook, and as you go through this
lesson, underline with green color/pen the examples of diseases that you already
experienced. Underline with red color/pen the diseases that you have. For the
preventive measures, underline with black color/pen the practices you are doing
regularly and underline with blue color/pen the preventive measures that you need to
practice to prevent infections.

Mode of
transmission Examples of diseases PREVENTIVE MEASURES
I – DIRECT
1. Contact
transmission
(Kissing)
Hand, foot and mouth
disease, No human contact.
(handshakes
with a sick
person)
(sleeping with
someone with
lice)
Acute conjunctivitis,
Scabies
Head lice
hygiene properly.
operly the items used
by Patients.
items.
patients.

Chickenpox
2. Food-borne/
water-borne
transmission
Viral gastroenteritis,
Food poisoning,
Cholera,
Bacillary dysentery,
Hepatitis A,
Hepatitis E
especially high risk food like shellfish.
and after going to the toilet.
ick food handlers should refrain from
work and seek medical advice early.
3. Vector-borne
transmission
(usually insects)
Dengue fever, al hygiene to
prevent breeding of insects /
mosquitoes, e.g. prevent
accumulation of stagnant water.

Mosquito bites
And
Insect bites
Malaria,
Japanese encephalitis
insect /mosquito bites, e.g. wear light-
colored, long-sleeved clothes and
trousers/pants and use insect
repellents.
II – INDIRECT
1. Droplet
transmission
(Coughing)
Influenza,
Common
cold,
ticular,
perform hand hygiene properly and
immediately after making contact with
sick persons having respiratory secretions.

(Sneezing)
Streptococcus
pneumoniae infection
or coughing. Use tissue papers to
contain respiratory secretions and
dispose them in garbage bins with lid.
symptoms and their close contact/aids.
should wear surgical masks
from the sick person.
iately if
unwell.
rotective
equipment when necessary.
2. Air-borne
transmission
Pulmonary
tuberculosis,
Measles,
Unwell.
-

Chickenpox borne transmissible diseases should not attend
school.
Invite the learners to do the activity below. The teacher will
Help them fill in the shapes with the correct answers. Make them answer the questions.
DIRECT IN DIRECT
1. What are the TWO KINDS OF TRANSMISSION?
CONTACT DROPLET
FOOD/WATER-BORNE AIR-BORNE
VECTOR-BORNE
2. What are the MODE OF TRANSMISSIONS?
malaria, dengue
3. What are the Examples of communicable diseases?
1. Perform hygiene properly
2. Use your own personal things
3. Maintain good ventilation
4. Keep away from sick people
5. Eat clean and well cooked food
6. Maintain environmental cleanliness
Scabies, Sore eyes
Hand, foot & mouth
Hepatitis, dysentery
Viral gastroenteritis
Cholera, food poisoning
Influenza, common colds
Tuberculosis
Pneumonia
Measles, chicken pox

4. What are the PREVENTIVE MEASURES?
Have them EVALUATE their ANSWERS
SCORE REMARKS INDICATOR
25 You’re advanced
You know and understands very well the modes of
transmission of communicable diseases and their preventive
measures.
20-24 You’re proficient
You know and understands well the modes of transmission
of communicable diseases and their preventive measures
15-19
You’re approaching
proficiency
You know and understands the modes of transmission of
communicable diseases and their preventive measures
10-14 You’re developing
You hardly know and understands the modes of
transmission, the communicable diseases and their
preventive measures
6-9 You’re beginning
You are prone to be infected with communicable diseases
because you don’t know their preventive measures.
P Make them do the CRITICAL THINKING and
process this alone without asking help from others.
– Observe, Reflect, and React
The Cough Etiquette

A B
Analysis.
What do you see in picture A?
Do you think this is a very fast way to
infect other people with diseases?
Prove your point.
Share your analysis to the class, your family
and friends
Evaluate yourself.
Look at picture B.
Which of these six prevention tips do you strictly
practice and why?
What is its effect to you?
Which of these six prevention tips do you hardly
practice and why?
What is its effect to you?
So what are you planning to do now?
Analyze and Evaluate
1. People say that the hands are the
dirtiest part of the body.
 Do you agree? Why and
why not?
2. People say that washing the
hands is the most neglected
practices that a person does.
 Do you agree? Why and
why not?

In this part, the learners are provided with other learning resources and experiences for
them to enrich/broaden their understandings of the lesson through additional activities (e.g.
conducting research, lecture forum, symposium, or inviting resource person to discuss critical
topics, etc.) and reading resources for them to enrich/broaden their understanding.
Encourage the learners to do this ACTIVITY 1 – An important life changing letter
Dear students,
This life-changing letter is about the course of infection by stages. Read it very
carefully and understand how infection manifests through its various stages. When a
person is sick, the first stage of
infection is incubation. it is the period starting from the entry of the pathogen until
the appearance of the first sign. For example: chicken pox, it takes 2-3 weeks of
incubation. For common cold, 1-2 days of incubation, influenza takes 1-3
days, and 15-18 days for mumps.
The second stage is called the prodromal stage which starts from the
onset of non-specific signs and symptoms such as fever.
Illness stage begins when more specific signs and symptoms appear. For
Example, common cold is characterized by sore throat, sinus congestion,
rhinitis, mumps manifested by ear ache, high fever, and salivary gland swelling.
The last stage of infection is an interval when acute symptoms of infection
disappear. The length of recovery depends on the severity of infection and the sick
person’s general state of health. Recovery may take several days to months and
is called the convalescence stage.
By understanding the chain of infection, the sick person must intervene to
prevent the infection from developing any further. When a sick person acquires
an infection, he/she must observe signs and symptoms of infection and take
appropriate actions to prevent the spread like staying away from other people,
and taking the doctor’s advise seriously. Infection follows a progressive course
as explained above. The severity of the sick person’s illness depends on the
extent of the infection, the pathogenicity of the microorganism and
susceptibility of the host.
I hope that you were able to learn something about the stages of infections.
Michelle Ziegler, Contagions,wordpress.com

Make them look at the graph showing the stages of infection. Encourage them to study
the graph and share what they learned to their classmate, friends, and parents.
disease process, faculty.irsc.edu
Give the learners some activities to enhance what they have understood about the lesson. Make
them do the following tasks
Row 1 will do Activity 1.a: What’s the word?
Row 2 will do Activity 1.b: Pick and Put and
Row 3 will do Activity 1.c: Explain the graph
Each row will discuss their outputs to the class after 5 minutes.

Instruct the learners to do this
ACTIVITY 1 .a: What’s the word where they will answer.
1. Copy the puzzle in your activity notebook and write the letters on the boxes to form each
word being described.
2. Choose your answer from these choices:
Convalescence stage, Incubation stage, Illness stage, Prodromal stage
Across
1. This is the interval between entrance of pathogen into the body to the appearance of first
symptoms.
2. This is the stage when the sick person exhibits signs and symptoms specific to type of
infections.
4
P
R
1 I N C U B A T I O N S T A G E
D
R
O
M
2 I L L N E S S S T A G E
L
S
T
A
G
3 C O N V A L E S C E N C E S T A G E

3. This is the interval when acute symptoms of infection disappears (length depends on
severity of infection and sick person’s state of health).
Down
4. This is the interval from the onset of nonspecific signs and symptoms to the appearance
of more specific symptoms time. When microorganisms grow and multiply, and the sick
person may be more capable of spreading disease to others.
Have them do the self-assessment through using this, HOW DID I SCORE IN THIS
ACTIVITY?
If I got 4 checks then I understood the intervals of infections.
If I got 2 checks then I need to reflect on my answers in order to understand intervals of
infections.
CRITICAL THINKING
Choose a stage where they think is the best stage to CUT from the flow of
infection and explain why they chose that stage.
1.b – Pick and put
Choices of symptoms are written on the strips. Copy on your activity notebook the table as
shown below and pick the answers from the choices and write them on the columns that
describe the stages.
ANSWER
Incubation stage Prodromal stage Illness stage Convalescence Stage
Chickenpox, 2-3
weeks Malaise, low-grade
fever, fatigue
Common cold
manifested by sore
throat,
sinus congestion,
rhinitis
mumps manifested
by ear ache.
Length of recovery
depends on severity of
infection and patient’s
general state of health;
take several days to
months.
Common cold, 1-2
days
Influenza, 1-3 days
Mumps, 15-18 days
CHOICES:
Length of recovery
depends on severity
of infection and
patient’s general state
of health; take
several days to
months.
Chickenpox, 2-3
weeks
Common cold, 1-2
days
Influenza, 1-3 days
Mumps, 15-18 days
Malaise low-grade
fever, fatigue
Common cold
manifested by sore
throat,
sinus congestion,
rhinitis
mumps manifested
by ear ache.

Make them do self-assessment by doing the “HOW DID I SCORE IN THIS ACTIVITY?”
Make them use the following prompts.
1. If I was able to put all the symptoms in the boxes correctly then I have clear ideas about
them.
2. If i wasn’t able to get all the symptoms in the correct boxes then i have to analyze and
reflect on the symptoms to understand it better.
Invite them to do the
CRITICAL THINKING: WHAT WILL YOUR GROUP DO? where they
will classify the symptoms in each column and stages, choose a
stage were they think is the best stage to STOP the flow of the
infection and explain why they chose that stage?
Let them 1.c: Explain the graph
Explain in their own words the graph of the stages of infection and
use these guide questions;
1. Where did the arc started and where did it end? What does it mean?
2. Explain the flow of the arc. If you noticed, it started low, then up, then it goes down.
Make them check their answers against the following.
ANSWER
Let them do self-assessment through using HOW DID I SCORE IN THIS ACTIVITY?
1. If I was able to explain very well to the class the stages of infection then I have clear
ideas about them.
2. If I was able to explain very well to the class the stages of infection then I have to analyze
and reflect on the stages of infection until to understand it better.

C Make them do the CRITICAL THINKING through CAN YOU DO
SOMETHING ABOUT IT?
After their group explained the stages of infection, let each group choose a
stage that is the best stage to CUT the flow of infection and explain why they have chose
that stage.
Make them proceed to the next activity about decision making.
Make them do ACTIVITY 2: I have to decide… read the first column “when the following
happens….” and read the second column, “what will I do?”Have them connect two sets and put a
check √ mark on each appropriate box.
When the following happens…. What will I do?
YES NO
By understanding the chain and
stages of infection
I will intervene to prevent infections
from developing. √
When I acquire infection I will observe signs and symptoms
of infections. √
When there are symptoms and
signs
I will take appropriate actions to
prevent its spread. √
If the symptoms and signs persists I will see the appropriate
doctor/medical specialist. √
Have them do the self-assessment through using the following prompts
1st
If you checked all yes, then you are really a disciplined and health-conscious
student. You are ready to be a model for others to follow.
If you answered 2 yes, then you have to go back to where you started and
2nd
internalize or analyze what a sick person should do
when he is infected. So that when it happens to you,
you will apply it.
If you answered 1 yes, then you have to read the module and other health
3rd
readings that I have given you so that you will
Understand what to do during infections.

Make them do ACTIVITY 3: Read me aloud!this short information about the Levels of
Prevention of getting sick.
TERTIARY LEVEL
SECONDARY LEVEL
What is tertiary prevention?
-The focus is on
rehabilitating the sick
person so as to prevent
long-term complications
of the disease.
Example:
-If the child is suffering
dysentery, he must be
closely monitored
because he/she can die of
dehydration and
complications. He can be
confined in a hospital
for strict monitoring.
-Tertiary prevention includes
the follow-up and monitoring
of all prescribed medications
to make sure the patient is
taking them, therapy to help
restore functions in debilitating
diseases and any medical
procedure means to treat or
cure the disease itself.
PRIMARY LEVEL
What is secondary
prevention?
-Activities are done to
prevent further
damage when the
disease has already
started.
Examples:
-prompt diagnosis and
treatment.
-So if a child is diagnosed
with Loose Bowel
Movement, he must
follow the doctor’s
instructions very
strictly. This is to
prevent LBM from
becoming dysentery or
even worse.
-Screening tests are
excellent examples of
secondary prevention.
By diagnosing diseases
quickly,
What is primary prevention?
-activities are done to
prevent one from
having the disease.
Examples:
-getting immunized;
-eating a balanced diet;
-getting enough sleep;
-avoiding vices;
-Don’t abuse yourself by
doing a lot of work that
can cause sickness.
-In order not to get sick of
Loose Bowel Movement,
practice washing your
hands with clean water
and soap before & after
it is used.
-Immunizations are
probably the best
example of primary
prevention, and health
education to all.
Invite them to do the CRITICAL THINKING where they will analyze the
following questions and write their reactions on a whole pad paper
1. If you are a mother and your toddler is very sickly. What do you think is the reason?
What will you do? Because of this experience,

ACTION: What will you advise your neighbor who just gave birth?
2. Inside your classroom, your best friend fainted. How will you know the cause of her
fainting? What will you do?
ACTION: What will you advise your bestfriend after getting conscious from
fainting?
3. Your neighbor was electrocuted and had a third degree burn. You helped bring him to the
hospital. After three days, you heard the doctor explain to your neighbor the best way to
prevent the spread of infection. Amputation was his suggestion but your neighbor did not
like.
What will you do?
ACTION: Explain to your neighbor the importance of prevention. Explain why is
amputation or removing a small part of the body in order to save
the bigger part of the body very important?
Have them read and learn the following in order to avoid and prevent encountering them
Infectious
Agent
How it looks What it is Examples
Bacteria
dangerous bacterium it is estimated
that listeria causes approximately ...
One-celled organisms that is
found almost everywhere. Strep throat,
tuberculosis,
sinus infections
Virus
Ebola virus
Extremely small organisms
that consist of a protein coat
and some genetic materials.
Cold,
Influenza
Fungus
Athlete's foot fungus, SEM
Fungus - Jock itch Pictures &
Images (Fungal infection - groin .
400 x 320 | 13.7 KB
health.allrefer.com
Fungi rely on other living or
dead organisms to survive;
yeast, molds, and mildews are
included in this group
Athlete’s foot,
ringworm

Protozoan
Amoeba proteus Protozoan,
pseudopods
Single-celled organisms; much
more complex than bacteria;
protozoal infections usually
come from infected water or
food.
Amoebic dysentry
Parasite
Parasite | Health Dictionary
426 x 399 | 38.5 KB
www.beltina.org
An organism that lives in a
host organism; draws
nourishment from a host; some
may be very large.
Tapeworm,
malaria
Have them reflect on the following:
SO WHAT NOW?
Do you believe that
you can do great
things to prevent
the spread of
communicable
disease?
Adapt the quotation
that says
“Ako ang simula”
As a student, what can you do to make our environment clean and
keep ourselves free from disease?
Make them use these guides to come up with a personal daily journal.
Title: Making Small Things to Prevent the Spread of Diseases.
How? Before you sleep, write down on your journal what you
have done for that day. For example, I picked scattered
wrappers inside the classroom and I washed my hands
with soap and water after wards.
You can write on your journals everyday and you are free to adapt
a strategy on how to do it. You can also make posters.
Decide on what to do to demonstrate your understanding of the
general methods of disease prevention and control. Be sure to collect
and check their journals every weekends.
Make the learners do ACTIVITY 4: Advertise what you know form six groups. In
column A, make an advertisement/drawing on the prevention of skin disease that is described in
the column B. Write your advertisement/drawing in your activity notebook.
The following criteria will be the basis for judging their work.
1. Does your advertisement/drawing match each description in column B?
2. Did you make a very clear message for the public in the advertisement/drawing?
3. Is it attractive that can easily catch the eyes of people?
Make them check their answers against the following descriptions in column B.

COLUMN A COLUMN B
Ringworm of the Body (Tinea Corporis)
Ringworm usually causes a very itchy rash. It often makes a pattern in
the shape of a ring, but not always. Sometimes it is just a red, itchy
rash. The outer ring is very reddish and another ring in the middle is
reddish too. The in-between is whitish.
To prevent ringworm:
 Keep your skin clean and dry.
 Change your socks and underwear at least once a day.
 Wear loose-fitting cotton clothing.
 Avoid tight underwear, pants, and panty hose.
 Always dry yourself completely after showers or baths. After
 drying your skin with a towel, allow your skin to air-
 dry before putting your clothes on.
 You can also use a hair dryer, set on a cool setting, to dry
 your skin.
 Do not share clothing, sports equipment, towels, or
 sheets. If you think you have been exposed to
 ringworm, wash your clothes in hot water with
 fungus-killing (fungicidal) soap.
 Wear slippers or sandals in locker rooms, showers, and
 public bathing areas.
 Shower and shampoo thoroughly after any sport that
 requires skin-to-skin contact.
 Acne has always been a common skin problem among teenagers
and adults. This disease is also known to cause stress or embarrassment
on its sufferers. Thus, acne has become an almost dreaded skin
condition. So if you don't want to experience having a hard time dealing
with the possibility of acne growth on your skin, the best thing that you
can do is to learn how to take care of your skin. Acne is usually caused
by the following factors -- dirt, excess oil, and unhealthy lifestyle.
 Prevention is, in washing your face, make sure that you use a
gentle soap or cleanser that matches your skin type to effectively
eliminate sweat, excess oil, and dirt from your face, otherwise your skin
pores will clog and soon pimples might appear.
 Moreover, in drying your skin, make sure that you use only clean
towels.
 Wash acne-prone areas only twice a day. Washing removes
excess oil and dead skin cells. But too much washing can irritate the
skin. Wash areas with a gentle cleanser and use oil-free, water-based
skin care products.
 Avoid heavy make-up. Choose powder cosmetics over cream
products because they're less irritating.

 Remove make-up before going to bed. Going to sleep with
cosmetics on your skin can clog tiny openings of the hair follicles
(pores). Also, be sure to throw out old make-up and clean your cosmetic
brushes and applicators regularly with soapy water.
 Wear loose-fitting clothing. Tight-fitting clothing traps heat and
moisture and can irritate your skin. Also, whenever possible, avoid tight
fitting straps, backpacks, helmets, or sports equipment to prevent
friction against your skin.
 Shower after exercising or doing strenuous work. Oil and
sweat on your skin can trap dirt and bacteria.
 At all times try to keep your hands and hair away from your face.
Your hands and you hair may contain oil and dirt. If contacted
on your face it can contaminate the pores and cause acne.
 Never squeeze or pick your spots! We all know this maybe very
tempting, but it would only makes matters much worse. Most
spots will heal on it's own. Picking at spots will just increase the
chance of it spreading the bacteria or even worst permanently
scarring your skin. So remember never to pick on it.
 Trying to reduce stress in your daily routine wherever possible is
a great way to prevent acne. More sleep, do more exercise,
taking warm baths and a balance diet will contribute to physical
well being and hence prevent acne.
Athlete's foot is caused by a fungus that grows on or in the top layer of
skin. Fungi (plural of fungus) grow best in warm, wet places, such as the
area between toes. It looks like a burned skin because it has scales and it
is reddish and itchy.
Athletes foot
 Wear flip-flops in affected areas.
 Use anti-fungal sprays or powders on shoes and feet.
 Dry the feet and between the toes first after a shower to
prevent spread to other parts of the skin.
 Avoid tight or closed footwear especially in warm climates.
 Change socks daily. Cotton socks keep the feet cooler.
 Wash towels daily.
WARTS are the most common of dermatological complaints. Three out
of four people will develop a wart (verruca vulgaris) at some time in
their lives. Warts are slightly contagious, and you can spread them to
other parts of your body by touching them or shaving around infected

areas. Children and young adults are prone to getting warts because
their defense mechanisms may not be fully developed, but it is possible
to get a wart at any age. Warts are caused by the human papilloma virus
(HPV), which enters the skin through a cut or scratch and causes cells to
multiply rapidly. Usually, warts spread through direct contact. Each
person responds differently, and not everyone exposed to HPV will
develop a wart. They can be all over the parts of the body.
They are small black or brownish hard grown skin. They can become
bigger especially when they are always touched.
PREVENTION
To reduce your risk of plantar warts
Avoid direct contact with warts.
This includes your own warts.
 - Keep your feet clean and dry.
 - Change your shoes and socks daily.
 - Don't go barefoot in public areas.
 - Wear sandals or flip-flops in public pools and locker rooms.
 - Don't pick at warts. Picking may spread the virus.
 - Don't use the same file, pumice stone, or nail clipper on
 your warts as you use on your healthy skin and nails.
 - Wash your hands carefully after touching your warts.
Jock itch is characterized by an itchy, red rash on the genital, inner
thighs and buttocks. It occurs in warm, moist areas of the body and is
common in athletes and people who are obese or perspires a great deal.
Jock itch (groin infection)
 Wash the groin daily. Dry the skin carefully after bathing.
 Do not dry the feet before the groin to reduce the risk of
spreading the fungi from the feet.
 Change underwear daily.
 Wash towels daily.
CRITERIA:
90-100 For an advertisement that has a clear message, harmonious combination of 4
4 colors, simple presentation, and placed in a 1/8 illustration board
85-89 For an advertisement that has a clear message, combination of 4 colors,
presented in a 1/8 illustration board.
80-84 For an advertisement that has a message, combination of 4 colors and
presented in a 1/8 illustrated board.
75-79 For an advertisement that has a message, combination of 3 color and
presented in a 1/8 illustrated board.

Make the learners assess their work based on the ASSESSMENT/indicator below
REMARKS INDICATION
Advanced
90-100
For a very well done work. The advertisement/drawing matched very well what
is being described in column B. A very clear and attractive message that catches
the attention of people for them to read about the prevention of skin diseases.
Proficient
85-89
For making the advertisement/drawing that matched well what is being
described in column B. A clear and attractive message that catches the eyes of
people to read about the prevention of skin diseases.
Approaching
Proficiency
80-84
The advertisement/drawing matched what is being described in column B. A
message that people can read about the prevention of skin diseases.
Developing
75-79
For hardly making an advertisement/drawing that should match what is being
described in column B.Message that hardly catches the eyes of people to read
about the prevention of skin diseases.
Make them do this ACTIVITY 5: “R. U. R. on this” where they will read the following
letter, and answer the questions after it.
Dear ________________________ , ( please write your name in the blank)
It is a great opportunity for you to read my story. My name is Remedios, We are five in
the family. I have three brothers and one younger sister where I am the eldest of these siblings.
We are living in a very small house and my father works as a carpenter while my mother stays at
home to take care of my siblings.
We are a happy family even though, we suffer a lot in our health. I was in grade 8 when
my teacher taught us about the prevention and control of communicable diseases. And I have
been applying what I learned until now and I am improving everyday.
Lack of water causes us much problem. We bathe at least twice a week but still all of us
have body odors. My younger brother’s face is full of acne. My father complains of athlete’s foot
every time he removes his shoe when he gets home. Our small house smells bad in every corner.
My mother’s neck is full of warts. All of us even have lice. I don’t know what I have on my
chest that looks like ring. I am thankful that we have learned lessons on how to prevent and
control of communicable diseases.
After learning from the class discussion I was really challenged to share to the whole
family about skin diseases. So one night, after dinner, I asked permission from my father to
discuss what I learned and that we have to help one another to have these skin diseases cured and
prevented.
All of us were not happy with our sickness and so we agreed to work hand in hand to
solve the problem. One Saturday, my father told us to go to the health center. We were instructed
ways to treat our illnesses. We were taught to a take bath everyday, not to share personal things
to family members so that we will not infect one another.

I know that my family is not very happy because of our skin problems, so I would like to
encourage you to apply what you have learned in school for you not to experienced what my
family and I have experienced
Love and concern,
Remedios
-Judith Langbayan-Javier
After they read the letter, answer the following
1. What can you say about the letter of Remedios?
2. Can you also do what she did? How will you do it?
3. If you are in her situation, what steps will you do to solve your family health
problems?
Next thing they do is letter writing. Have them prepare the needed materials.
Invite them to write a letter and address it to Remedios. Remind them to share their
feelings when they were reading her letter and why did they feel that way. Share also if they
have similar experiences. Ask them that they would like to do what she did and how they will do
it.
Dear Remedios,
____________________________________________
__________________________________________________
__________________________________________________
__________________________________________________
__________________________________________________
__________________________________________________
_____________________________________________
__________________________________________________
__________________________________________________
__________________________________________________
__________________________________________________
Very truly yours,
______________

After writing, five volunteers will read to the class their letters. Let them answer
this: Did it help you express your feelings after you wrote Remedios? Tell them you knew it
helped them a lot.
Before you proceed to the transfer part, ask the students to answer the following
summative assessment below.
Give them this Instruction:
This summative assessment is good for 40 minutes. The first five minutes will be
used for instructions and paper distributions. The learners will have 40 minutes to answer.
The rest of the time will be used for checking and evaluating.
SUMMATIVE TEST
NAME ___________________________ SCORE ______________
SECTION ________________________ DATE ________________
MULTIPLE CHOICE:
DIRECTION: Carefully read the questions and choose the correct answer from the
Choices given and write the letter of your choice on the blanks provided
at the right side.
1. These are tiny microorganisms that infect or invade the body and attack
body cells and tissues 1. B
A. Bacteria
B. Pathogen
C. Virus
2. Pneumonia is a sickness caused by pathogen called_____. 2. A
A. Bacteria
B. Fungus
C. Virus
3. Rickettsias need living cell in order to grow and multiply, which of the 3. C
following is a rickettsias?
A. Dysentery
B. Small pox
C. Ticks
4. Athlete’s foot is a disease caused by pathogen called ____ 4. B
A. Fungi
B. Parasite
C. Fungi
5. Which of the following virus enters the respiratory system and cause sickness? 5. A
A. Cold
B. Rabies
C. Wart

6. This is a pathogen that causes amoebic dysentery. 6. B
A. Parasite
B. Protozoa
C. Virus
7. Helminths is a pathogen meaning ______. 7. B
A. Bacteria
B. Parasite
C. Virus
8. This helminth lives in the intestines and causes a serious illness known as___ 8. C
A. Bilharziasis
B. Schistosomiasis
C. Trichinosis
9. Prevention of helminth diseases requires____. 9. B
A. Eating good food
B. Maintain cleanliness
C. Taking medicine
10. Diseases caused by the direct and indirect spread of pathogens from one 10. A
person to another are called _______ diseases.
A. Communicable
B. Non-Communicable
C. Toxin Bacteria
Arrange the following stages of infection according to the graph of disease process in numbers
11 to15 and the chain of infection in numbers 16 to 20 in a chronological order. Write the letters
from A to E in the blanks.
A. Convalescene stage is recovery stage. 11. C
B. Illness stage is when specific severe signs and symptoms appear. 12. D
C. Incubation stage is when a person acquires the pathogen. 13. B
D. Prodromal stage is when there are non-specific signs and symptoms appearing. 14. E
E. Decline stage time when the signs and symptoms of the sick person 15. A
slowly goes down.
The chain of infection starts when a pathogen lives in a
A. passed through a direct or indirect Mode of Transmission. 16. B
B. reservoir which can be a living or non-living object. When the pathogen 17. D
C. Susceptible Host if one who has a low immunity resistance is the next victim. 18. A
D. leaves the reservoir through a Portal of Exit, the pathogen is 19. E
E.The organism enters then the body through a Portal of Entry and the 20. C
Fill in the blanks. Choose you answer from the choices below and write the
letter of the correct answer on the blanks provided at the right side.
21. In the three level of prevention the first is called __________of prevention 21. D
22. The objective of this first level is to ______________ one from having the 22. E

23. disease. ________________ is probably the best example of this level of 23. B
prevention and health education to all.
24. The second level of prevention is called ______________. 24. H
25. This level of prevention aims to prevent further ____________ when 25. A
the disease has already started. The best action to do in this level is
26. prompt diagnose and ______________. 26. J
27. ________________ tests are excellent examples of this level. 27. G
28. The third level of prevention is called _____________. The focus of this 28. I
29. level is ________________ the sick person so as to prevent long-term 29. F
complications of the disease. The best thing to do in this level is follow-up
30. and very close ________________(24/7) of the sick person. 30. C
Choices:
A. Damage F. Rehabilitating
B. Immunization G. Screening
C. Monitoring H. Secondary Level
D. Primary Level I. Tertiary Level
E. Prevent J. Treatment

The learner demonstrates a complete performance on the following activities:
Make the learners do Activity 1: “ACT NOW!” where they will do a pantomime. The male is
grouped into five smaller groups. Choose a leader who will draw a paper from the box. The word
written on the paper will be their group’s name. The word written on the paper will be parts of
the body such as nose, mouth, eyes, etc..
Each group will be given 15 minutes to conceptualize and practice a 5- minute
pantomime presentation. The pantomime will focus on “The spread of diseases using the
different modes of transmission.” Example, if their leader drew “nose” from the box, then the
focus of their presentation is this, “Diseases are spread through the nose using the chain of
infection.”
The female groups will do the same just as what the males will do. The group’s name will
depend on the word that is written on the paper drawn from the box. The name of the group will
also be a part of the body. The pantomime will focus on “The prevention of the spread of
diseases from the different modes of transmission. Example, if the leader drew “food” from the
box, then the focus of their presentation is on how to prevent the spread of infections from the
food we eat.
After 15 minutes, each group will present for five minutes. Each group must jot down
what they observed about the spread and prevention of diseases. After which observations will
be shared with the class.
Please look into the criteria in rating their presentation.
Criteria:
Your score is 25 if
1. Your group will present a very clear and understandable message.
For the Male, the spread of diseases using the different modes of transmission and
For the Female, the prevention of the spread of disease from the different modes of
transmission.
2. Each member will take part in the presentation.
3. The group will present for 3 minutes.
Your score is 20 if
1. The group will clearly present the pantomime but with a little

assistance from somebody on how to prevent the spread of diseases.
2. Each member of the group will actively participate.
3. The group will present for 3 minutes.
Your score is 15 if
1. The group hardly and vaguely presented the pantomime despite the assistance of
somebody.
2. Most of the group members will not actively participate.
3. The group will not present three minutes.
After the presentation, make them share to the class what they have learned and
observed from the presentations to the class.
Let the learners do the HOME WORK: COMMITMENT on how I can help prevent the
spread of diseases.
They will write their commitment in their journal or activity notebook. Affix their
signature on their work and ask their parents to read then sign. Use the following questions as
their guides.
Guide questions:
1. As a teenager, what can I do to prevent the spread of diseases?
2. How can I help my classmates, schoolmates, and my family not to be infected by
diseases?
It is time for the learner to make a recommendation that will help prevent the spread of
communicable diseases. Make them consider the following:

SUGGESTIONS:
1. “Wash hands” campaign poster.
2. Cleanliness slogan.
3. Personal journal on individual daily actions to promote cleanliness.
4. Bookmark on prevention and control of communicable disease.
STEP:
1. Write a letter to their school student organization (SSO), barangay captain, parents,
neighbors, etc.
2. Coordinate with their SSO, barangay captain, parents and neighbors if they have
some activities that you can tie up with.
3. Suggest steps or tips on how to maintain and monitor it.
Let them use the following RUBRICS:
Transfer of understanding to life situations (30%) as demonstrated through:
 Products – outputs which are reflective of learner’s creative application of
understanding; and
 Performance- skillful exhibition or creative execution of a process,
reflective of masterful application of learning or understanding.
ADVANCED (26-30%) – The student independently and clearly demonstrates the ability to
create, add value and transfer his/her/their understanding to life situations in the form of
products and performances. This means that the product or performance reflects the
following attributes:
 The entire process from planning to execution was carried out by the
student, with no guidance from the teacher.
 The product or performance is well thought out by the student from
planning to execution. Potential problems have been identified and
appropriate remediation has been put in place should problems arise.
 Values formation is evident as demonstrated by the students in their
performance.
 The product or performance is a demonstration of a creative application of
enduring understanding in a new or novel context.
PROFICENT(21-25%) The student demonstrates the ability to create, add value and transfer
his/her understanding to life situations in the form of products and performances, but the product
or performance can still stand improvement in a number of areas, namely:
 The entire process from planning to execution was carried out by the
students with some guidance/ coaching from the teacher.

 The product or performance is well thought out by the student from
planning to execution. Potential problems have been identified and
appropriate remediation has been put in place should problems arise.
 Values formation is evident as demonstrated by the students in their
performance.
 The product or performance is a demonstration of creative application of
enduring understanding in a new or novel context or situation.
APPROACHING PROFICENCY (16-20%) – The student strives to use understanding or
leaning creatively in producing products or performance as manifested in the
following:
 The students attempt to do the tasks entirely on their own, but seeks the
teacher’s help for the majority of the process.
 The products or performances have some flaws in the design that the
students addressed with help from the teacher.
 There is little evidence of values formation as demonstrated by the
students in their performance.
 A little creative application of enduring understanding is shown in the
product or performances. The context or situation in which the
understanding is applied is ordinary or common. There are limited
attempts at novelty (e.g. formatting, organization, packaging,
presentation).
DEVELOPING (11-15%) – The students show inadequacy in using understanding or
learning creatively in producing products or performances. The
inadequacy is manifested in the following:
 The entire process from planning to execution had not been carried out by
the student, without the teacher’s guidance and coaching.
 The product or performance is poorly thought out by the student from
planning to execution. There are marked flaws in the design that the
student is not even aware of.
 There is almost no evidence of value added by the student in the execution
of the process or in the use of understanding or learning.
 Every aspect (e.g. formatting, organization, package, presentation) of the
product or performance is just a copy of what has been taught in class.
BEGINNING (6-10%) – The student shows great difficulty in using understanding or
learning creatively in their products or performances. The difficulty is
manifested in the following:

 The entire process from planning to execution was poorly carried out by
the student), without the teacher’s guidance and coaching.
 The product or performance is poorly thought out by the from planning to
execution. There are many obvious flaws in the design that the student has
ignored.
 There is no evidence of value added by the student in the execution of the
process. There are no attempts at novelty (e.g. in formatting, organization,
packaging, presentation).
 The product or performance does not show creative application of
enduring understanding. The context or situation in which the
understanding is applied is very ordinary or common.
Encourage them to do Activity 2 - Self Monitoring where in they will
copy the chart as shown. In their daily chart, write what they can do to keep their home, school
and community clean. Prepare four copies of this chart. Ask their parents and their teacher to
monitor them if they are doing it. Attach their signature and their parents’ signature too.
SELF MONITORING CHART
Committed to
maintain
cleanliness
Monday Tuesday Wednesday Thursday Friday Saturday Sunday
-self
-Home
-school
-community
Let them check only if they have accomplished it through using the following chart
Committed to do M T W Th F S S
I do not drink from somebody’s bottle/glass.
I use my own comb and don’t share others comb.
I do not share my towel or use others towel.
I do not share my socks to others or use other’s socks.
I wash my hands before and after using them.
I wear only washed clothes
_______________________ _____________________
Figure 2 STUDENT’S SIGNATURE PARENT’S SIGNATURE

SUMMARY/SYNTHESIS/GENERALIZATION
It is very encouraging to know that you are through with this material, Disease
Prevention and Control (Communicable). Your readings, accomplishments in doing the activities
and projects or performances and interacting, discussing with your classmates are assurances that
you have learned a lot from this material. The saying, “Prevention is better than cure” become
more significant to you because of the importance of practicing preventive measures so that
diseases will not infect you. It is also a challenge on your part to practice daily these preventive
measures you have learned. I know that you will share it to your family members, friends, and
classmates especially how this module influenced you. A saying goes, “Learning without
application is no learning at all.”
In the first part of this material, you are introduced to the overview content of this
material and likewise the things you are expected to do.
In the pre-assessment you are given activities that help you assess how far you know the
lessons and you are introduced to new concepts.
The learning goals and targets serve as your guide that lead you to what is expected of
you.
Part one is what to know. Your knowledge is challenged there. The activities given aims
to evaluate your stock knowledge. Misconceptions are clarified as you go through this part.
There are readings given to enhance and let you know that there are many things to learn.
In part two, what to process, you are provided with activities that help you assess your
skills especially in processing challenges on life. One of which is how you can be part of the
prevention and control of communicable diseases.
Part three deals with what you need to reflect and understand. You are made to see what
others cannot see or your attitude is put to a test to really see if you can apply what you have
learned. In this part, you do not just learn how to cook rice or do the cooking but you learn why
do you need to cook and the result of your cooked food should be good to your health.
Finally, the fourth part is the final test to see if you understood the what, when, where,
who, why, and how to prevent and control the communicable diseases. Now, can you really say
that you make all what you’ve learned part to your daily life? The answer lies in you.

GLOSSARY OF TERMS
A
ATHLETE’S FOOT is caused by a fungus that grows on or in the top layer of skin.
B
BACTERIA are one-celled microscopic organisms that rank among the most
widespread of living things. Some are small that a single grain of soil
may contain over 100 million of them and most bacteria do not cause
disease.
BIOFEEDBACK is a process of becoming aware of physical events in your body that
normally you are not aware of.
C
COMMUNICABLE DISEASES are those that are transmissible from one host, person
or animal, to another.
CONVALESCENCE is the stage when acute symptoms of infection disappear.
D
DISEASE is an abnormal condition affecting the body of an organism.
F
FUNGI – are simple organisms that cannot make their own food.
H
HOST is a plant or animal that the parasite feeds on.
I
ILLNESS STAGE is the interval when a sick person manifests signs and symptoms
specific to a certain type of infection.
IMMUNITY is the body’s natural resistance to pathogens.
INCUBATION STAGE is the interval between the entry of pathogen into the body until
the appearance of first sign or symptom.

J
JOCK ITCH is characterized by an itchy, red rash on the genitals, inner thighs and
buttocks. It occurs in warm, moist areas of the body and is common in
athletes and people who are obese or perspire a great deal.
M
MODE OF TRANSMISSION is a method of transfer by which the pathogen moves or is
carried from one host to another.
P
PASSIVE IMMUNITY is the temporary immunity that the infant acquires from the
mother.
PARASITE is a microorganism that gets their food supply in a living plant or animal.
PATHOGEN is an organism that causes disease to its host; also known as
infectious/disease agent.
PORTAL OF ENTRY is an opening that allows the microorganism to enter the host. It
includes body orifices, mucus membranes, or breaks in the skin.
PORTAL OF EXIT is a place of where pathogen leaves the reservoir such as the nose,
mouth, or anus.
PRODROMAL STAGE is the interval from the onset of non-specific signs and
symptoms to more specific symptoms.
PROTOZOANS are single-celled organisms that are larger than bacteria and have
more complex cellular structure.
R
RESIDENT BACTERIA that lives in the human mouth and intestines and on our skin.
RESERVOIR is a place where pathogen thrives and reproduces such as human beings,
animals, and inanimate objects such as water, table tops, and doorknobs.
RICKETTSIAS are organisms that are considered intermediate, that is, somewhere
between a virus and a bacterium.
RINGWORM of the body (Tinea Corporis) usually causes a very itchy rash. It is caused
by fungus. It often makes a pattern in the shape of a ring, but not always.
Sometimes it is just a red, itchy rash.

S
SUSCEPTIBLE HOST is a person who cannot resist a pathogen because of weak body
immunity.
SYMPTOMS are subjective manifestations of disease such as stomach ache.
T
TOXINS BACTERIA are bacteria that produces certain poison.
V
VIRUS are small, simple lifelike forms-from one half to 100 the size of a bacteria.
VACCINES are preparations that usually composed of dead or weakened viruses that
provide immunity by causing the body to produce antibodies against the
pathogen.
W
WARTS are the most common of dermatological complaints. Warts are slightly contagious
and you can spread them to other parts of your body by touching them or shaving
around infected areas.

RESOURCES
BOOKS
Glenco. Glenco Health: A guide to wellness. Glenco/Mc Graw-Hill Publishing Company.,
May 1, 2001, pages 250-255
Glenco. Glenco Health: Chapter 23 Causes of Communicable Diseases.
Glenco/McGraw-Hill Publishing Company.
State of New Jersey. New Jersey Comprehensive Health Education and Physical
Education Curriculum framework (Chapter 8 –Sample Learning Activities) 1996-
2010.
WEBSITE
Picture Clips- www.healthline.com/health/skin disorder, retrieved September 26,2012
www.mayoclinic.com/health, retrieved September 26, 2012
www.sciencephoto.com, retrieved September 26, 2012
ph.images.search.yahoo.com, retrieved September 26, 2012 & Oct. 24, 2012
Acne Prevention, www.topsites.4u.net, retrieved October 24, 2012
Kidshealth.org/parent/infections/fungal/ringworm, retrieved October 25, 2012
Chain of Infections – Michelle Ziegler, Contagions,wordpress.com, retrieved September
26, 2012
Disease process, faculty.irsc.edu, retrieved October 24, 2012
En.wikipedia.org/wiki/infection, retrieved September 26, 2012
Picture Clips- www.healthline.com/health/skin disorder, retrieved September 26, 2012
Ph.images.search.yahoo.com/search/images, retrieved September 26, 2012
Skin Diseases image collection, retrieved September 26, 2012
JUDITH L. JAVIER
PCNHS-Baguio City

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